Sikaflex®-221

Multi-purpose adhesive sealant with a wide adhesion range

Sikaflex®-221  is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is suitable for making permanent elastic seals.  

• Bonds well to a wide variety of substrates
• Resistant to ageing
• Can be sanded and painted